E-commerce Site Development on WordPress & Shopify

I'm looking for an experienced website developer with 4+ years in building e-commerce sites on both WordPress and Shopify. The site will require payment gateway integration.

Key requirements:
- Proficient in WordPress and Shopify
- Strong experience in e-commerce website development
- Expertise in payment gateway integration

Ideal Skills and Experience:
- Proven track record of similar projects
- Strong understanding of UI/UX design principles
- Ability to ensure site security and smooth performance
- Excellent communication skills for regular updates

Please share your portfolio and relevant experience.